1445458131 has 12 divisors (see below), whose sum is σ = 2248490608. Its totient is φ = 889512624.

The previous prime is 1445458129. The next prime is 1445458141. The reversal of 1445458131 is 1318545441.

1445458131 is a `hidden beast` number, since 1 + 4 + 4 + 545 + 81 + 31 = 666.

It is not a de Polignac number, because 1445458131 - 2¹ = 1445458129 is a prime.

It is a super-2 number, since 2×1445458131² = 4178698416948026322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445458141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6177055 + ... + 6177288.

Almost surely, 2^1445458131 is an apocalyptic number.

1445458131 is a deficient number, since it is larger than the sum of its proper divisors (803032477).

1445458131 is a wasteful number, since it uses less digits than its factorization.

1445458131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354362 (or 12354359 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1445458131 is about 38019.1810932324. The cubic root of 1445458131 is about 1130.6681852307.

The spelling of 1445458131 in words is "one billion, four hundred forty-five million, four hundred fifty-eight thousand, one hundred thirty-one".